. Journal of conchology . 129. ESMARK : MOLLUSCA OF NORWAY. 129 >> t^ cS cs ^ ^ ^ >H OJ NAME. 0 0 ^ G V c5 s 0 0 a 1) ^ C/2 :2; tn E W var. maximella I 0 0 0 0 var. compressa I I 0 0 0 var. schneideri 0 I 0 0 0 var. minor ... I 0 I 0 0 7. Subfamily PHYSIN^. 14. Genus PHYSA. 78 Physa fontinalis 15. Genus APLEXA. I 0 I I I 79 Aplexa hypnorum 8. Subfamily PLANORBIN^.16. Genus PLANORBIS. I 0 I I I 80 Tropidiscus marginatus I 0 I I I 81 Gyrorbis vortex I 0 I I I 82 G. rotundatus ... I 0 I I I 83 G. spirorbis I 0 I I 0 84 Bathyomphalus contortus I I I I I 85 Gyraulus borealis I I I I I var.
. Journal of conchology . 129. ESMARK : MOLLUSCA OF NORWAY. 129 >> t^ cS cs ^ ^ ^ >H OJ NAME. 0 0 ^ G V c5 s 0 0 a 1) ^ C/2 :2; tn E W var. maximella I 0 0 0 0 var. compressa I I 0 0 0 var. schneideri 0 I 0 0 0 var. minor ... I 0 I 0 0 7. Subfamily PHYSIN^. 14. Genus PHYSA. 78 Physa fontinalis 15. Genus APLEXA. I 0 I I I 79 Aplexa hypnorum 8. Subfamily PLANORBIN^.16. Genus PLANORBIS. I 0 I I I 80 Tropidiscus marginatus I 0 I I I 81 Gyrorbis vortex I 0 I I I 82 G. rotundatus ... I 0 I I I 83 G. spirorbis I 0 I I 0 84 Bathyomphalus contortus I I I I I 85 Gyraulus borealis I I I I I var. angigyrus I 0 0 0 0 var. flexus ... I 0 0 0 0 var. gredleri I 0 I 0 0 var. arcticus 0 I I 0 0 86 G. polaris 0 I 0 0 0 87 G. limophilus ... I 0 I 0 0 88 G. concinnus ... I 0 I 0 0 89 G. glaber I I I 0 0 90 G. stromi I 0 0 0 0 91 G. albus I 0 I I I var. hispidus I 0 I I 0 var. cinctutus I I I 0 I var. depressus I 0 0 0 0 var. lemniscatus ... I 0 I 0 0 var. draparnaldi ... I 0 I 0 0 92 Armiger crista I 0 I I 0 var. nautileus I 0
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